San Mateo County property record for 48 Middlegate St, Atherton, CA 94027 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3.5 ba · 3,627 sqft · built 2015 |
| Lot Size | 0.155 acres (6,750 sqft) |
| Owner | Company Name on File |
| Last Sale | $6,198,000 (Sep 2025) |
| Tax Bill | $63,862 (2025) |
| Deeds & Mortgages | Sep 2025 Mortgage Sep 2025 Sale & Mortgage + 4 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 070-101-030 |
| Primary APN | 070-101-030 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,627 sqft Living Area |
| 1st Floor Area | 1,227 sqft |
| 2nd Floor Area | 1,146 sqft |
| Basement Area | 1,254 sqft |
| Finished Basement | 1,254 sqft |
| Family Room | Family Room |
| Year Built | Built 2015 |
|---|---|
| Effective Year Built | Effective 2015 |
| Exterior Material | Brick |
| Construction Type | Brick |
| Roof Material | Composition Shingle |
| Lot Area | 6,750 sqft (0.155 acres) |
| Lot Dimensions | 135 ft deep x 50 ft wide |
| Garage Area | 210 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 48 MIDDLEGATE ST |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-4009 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 29 SELBY PARK RSM 11/32 33 TOWN OF ATHERTON |
| Legal Subdivision | SELBY PARK |
| Legal Lot Number | 29 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 4 |
| Census Block | 4011 |
| Census Tract | 611400 |
Source: San Mateo County records · APN 070-101-030
Assessment roll updated July 15, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 48 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Date | Document |
|---|---|
| Sep 24, 2025 | Deed of Trust, Mortgage · Commercial Mortgage LONG CHEN |
| Sep 17, 2025 | Grant Deed, Transfer · Commercial Mortgage CHEN LONG |
| May 03, 2023 | Grant Deed, Transfer LAWYERS TITLE COMMERCIAL SERVICES, LAWYERS TITLE COM SVCS |
| Nov 02, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage CHANGE LENDING LLC |
| Nov 02, 2021 | Intrafamily Transfer, Transfer FIRST AMERICAN TITLE COMPANY |
| May 15, 2020 | Deed of Trust, Mortgage · Conventional Mortgage HALL MORTGAGE FUND LP |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 17, 2025 · Amount on Record |
| Deed Sale | Sep 17, 2025 · Amount on Record |
| Prior Sale | May 03, 2023 · Amount on Record |
| Deed Document Number | 202548600 |
| Prior Transfer Date | Oct 27, 2021 |
| Prior Transfer Doc | 0000153484 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 48 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Transaction Type | Mortgage |
| Record Updated | Oct 21, 2025 |
| Title Company | LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 48 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Document Number | 0000050059 |
|---|---|
| Date | Sep 24, 2025 |
| Instrument | 2025-050059 |
| Name | LONG CHEN |
|---|---|
| Type | Private Party |
| Address | 1007 GLENHAVEN AVE, FULLERTON, CA 92835 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Sep 17, 2025 |
| Property Address | 48 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Document Number | 0000048600 |
| Map Reference | MB 11 PG 32&33 |
| Instrument Date | Aug 22, 2025 |
| Instrument | 2025-048600 |
| Transaction Type | Transfer |
| Record Updated | Oct 13, 2025 |
| Title Company | LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $6,817.80 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 48 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Document Number | 0000048601 |
|---|---|
| Date | Sep 17, 2025 |
| Instrument | 2025-048601 |
| Name | CHEN LONG |
|---|---|
| Type | Private Party |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | May 03, 2023 |
| Property Address | 48 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Document Number | 0000020139 |
| Map Reference | MB 11 PG 32&33 |
| Instrument Date | Apr 28, 2023 |
| Instrument | 2023-020139 |
| Transaction Type | Transfer |
| Record Updated | May 25, 2023 |
| Title Company | LAWYERS TITLE COMMERCIAL SERVICES, LAWYERS TITLE COM SVCS |
| Amount | Amount Recorded |
|---|---|
| Tax | $6,050.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Irrevocable Trust |
| Address | 91 INGLEWOOD LN, ATHERTON, CA 94027-4029 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Nov 02, 2021 |
| Property Address | 48 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Document Number | 0000153482 |
| Map Reference | MB 11 PG 32&33 |
| Instrument Date | Oct 27, 2021 |
| Instrument | 2021-153482 |
| Transaction Type | Transfer |
| Record Updated | Nov 24, 2021 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 48 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Document Number | 0000153483 |
|---|---|
| Date | Nov 02, 2021 |
| Instrument | 2021-153483 |
| Name | CHANGE LENDING LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Nov 01, 2051 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Nov 02, 2021 |
| Property Address | 48 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Document Number | 0000153484 |
| Map Reference | MB 11 PG 32&33 |
| Instrument Date | Oct 27, 2021 |
| Instrument | 2021-153484 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 48 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 48 MIDDLEGATE ST, ATHERTON, CA 94027-4009 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | STEWART TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|
| Document Number | 0000044371 |
|---|---|
| Date | May 15, 2020 |
| Instrument | 2020-044371 |
| Name | HALL MORTGAGE FUND LP |
|---|---|
| Type | Non-Lending Institution |
| Address | ANAHEIM, CA 92807 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 61 Months |
| Due | Jun 01, 2025 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| Municipality | Atherton Town |
| County | San Mateo County |
| Elementary School District | Redwood City Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $6,198,000 (+8.31%) Land $3,000,000 Building $3,198,000 | ||
| 2025 | $63,862.00 (+1.17%) | $5,722,200 (+184.02%) Land $2,444,940 Building $3,277,260 | |
| 2024 | $63,121.00 (+168.53%) | ||
| 2023 | $23,506.00 (+4.9%) | $2,014,745 Land $489,713 Building $1,525,032 | $4,781,340 |
| 2022 | $22,408.00 |
Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060816114004, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 7 in force |
| Nearby Flood Claims | 8 (1979–2019) |
| Claims Outside the SFHA | 2 of 8 |
| Most Recent Claim | Jan 2019, other causes |
| Wildfire Risk | Low above 5% of the US · above 3% of California |
|---|---|
| Wildfire Likelihood | About 1 in 6,250 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 283 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Race Telecommunications | Fiber | 10,000 / 10,000 |
| Xfinity | Cable | 2,000 / 250 |
| AT&T | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: AT&T, T-Mobile USA, Etheric Communications, LLC., California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.
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